Service Manual

Dell Networking OS Behavior: In Dell networking OS version 9.1(1.0) and later, the L2PT MAC address is user-
configurable, so you can specify an address that non-Dell Networking systems can recognize and rewrite the
address at egress edge.
Figure 125. VLAN Stacking with L2PT
Implementation Information
• L2PT is available for STP, RSTP, MSTP, and PVST+ BPDUs.
• No protocol packets are tunneled when you enable VLAN stacking.
• L2PT requires the default CAM profile.
Service Provider Bridging 975